CBSE 2025 · Region 7 · Set 2 · Q11 · 1 mark

An amine 'X' reacts with Hinsberg reagent and the product obtained is insoluble in alkali. The amine 'X' is :

A

$\displaystyle \left(\mathrm{CH}_{3}\right)_{2}-\mathrm{NH}$

B

$\displaystyle \left(\mathrm{CH}_{3}\right)_{3} \mathrm{~N}$

C

$\displaystyle \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{NH}_{2}$

D

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CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.